/* ============================================================
   Coupminder – Stylesheet
   Eigenständig, keine externen Abhängigkeiten.
   Themes über [data-theme] auf <html>.
   ============================================================ */

:root {
    --brand: #6BD5B8;
    --brand-strong: #2fa384;
    --brand-ink: #0b3d30;

    --bg: #f2f7f5;
    --bg-accent: #e3f2ec;
    --surface: #ffffff;
    --surface-2: #f6faf8;
    --text: #1c2b27;
    --muted: #5d6f6a;
    --border: #d9e5e0;

    --danger: #d64550;
    --danger-bg: #fdeeef;
    --warn: #b26a00;
    --warn-bg: #fdf3e2;
    --ok-bg: #e2f6ee;

    --shadow: 0 1px 2px rgba(16, 42, 34, 0.06), 0 10px 30px -18px rgba(16, 42, 34, 0.35);
    --radius: 14px;
    --radius-sm: 10px;
}

[data-theme="dark"] {
    --bg: #0f1715;
    --bg-accent: #12211d;
    --surface: #17221f;
    --surface-2: #1d2b27;
    --text: #e6f2ee;
    --muted: #9db4ad;
    --border: #2c3d38;

    --danger: #ff7d86;
    --danger-bg: #3a2225;
    --warn: #ffc46b;
    --warn-bg: #383016;
    --ok-bg: #17352c;

    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px -18px rgba(0, 0, 0, 0.8);
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { color-scheme: light; }
html[data-theme="dark"] { color-scheme: dark; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(180deg, var(--bg-accent), var(--bg) 320px);
    color: var(--text);
    line-height: 1.55;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

main, .app-header, .app-footer {
    width: min(100% - 32px, 780px);
    margin-inline: auto;
}

/* ---------- Header ---------- */
.app-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 28px 0 8px;
}
.app-header h1 {
    margin: 0;
    font-size: clamp(1.7rem, 5vw, 2.2rem);
    letter-spacing: -0.02em;
}
.app-header .tagline {
    margin: 2px 0 0;
    color: var(--muted);
    font-weight: 600;
}

/* ---------- Karten / Sektionen ---------- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    margin: 16px 0;
}
.card h2 {
    margin: 0 0 14px;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
}

/* ---------- Hilfe (details/summary) ---------- */
details.help summary {
    cursor: pointer;
    font-weight: 700;
    font-size: 1.05rem;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 8px;
    user-select: none;
}
details.help summary::-webkit-details-marker { display: none; }
details.help summary::after {
    content: "▾";
    margin-left: auto;
    color: var(--muted);
    transition: transform 0.2s ease;
}
details.help[open] summary::after { transform: rotate(180deg); }
details.help .help-body { margin-top: 14px; }
details.help h3 {
    font-size: 0.95rem;
    margin: 18px 0 6px;
    color: var(--brand-strong);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
details.help h3:first-child { margin-top: 0; }
details.help p { margin: 6px 0; }
details.help .step { padding-left: 1.8em; text-indent: -1.8em; }

/* Browser-Tabelle */
.table-wrap { overflow-x: auto; margin-top: 10px; }
.help table {
    border-collapse: collapse;
    width: 100%;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.help th {
    background: var(--brand);
    color: var(--brand-ink);
    text-align: left;
    padding: 8px 10px;
}
.help td {
    padding: 8px 10px;
    border-top: 1px solid var(--border);
    background: var(--surface-2);
}
.minicon {
    width: 18px;
    height: 18px;
    vertical-align: -3px;
    margin-right: 4px;
}

/* ---------- Formular ---------- */
.field { margin-bottom: 14px; }
.field label {
    display: block;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 5px;
}
.field .hint {
    font-weight: 400;
    color: var(--muted);
    font-size: 0.8rem;
}
input[type="text"],
input[type="date"],
input[type="search"],
textarea,
select {
    width: 100%;
    padding: 10px 12px;
    font: inherit;
    color: var(--text);
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}
textarea { resize: vertical; min-height: 70px; }
input:focus-visible, textarea:focus-visible, select:focus-visible, button:focus-visible, summary:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--brand) 55%, transparent);
    outline-offset: 1px;
}

.grid2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 14px;
}
@media (max-width: 540px) {
    .grid2 { grid-template-columns: 1fr; }
}

/* Ort-Zeile */
.loc-row { display: flex; gap: 8px; flex-wrap: wrap; }
.loc-row input { flex: 1 1 180px; }
.chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    padding: 6px 12px;
    background: var(--ok-bg);
    border: 1px solid var(--brand);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    max-width: 100%;
}
.chip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip button {
    border: 0;
    background: none;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    color: inherit;
    padding: 2px;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    font: inherit;
    font-weight: 700;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.06s ease, filter 0.15s ease;
    background: var(--surface-2);
    color: var(--text);
    border-color: var(--border);
}
.btn:hover { filter: brightness(0.97); }
.btn:active { transform: translateY(1px); }
.btn-primary {
    background: var(--brand);
    color: var(--brand-ink);
    border-color: transparent;
}
.btn-primary:hover { filter: brightness(1.05); }
.btn-danger {
    background: transparent;
    color: var(--danger);
    border-color: color-mix(in srgb, var(--danger) 45%, transparent);
}
.btn-danger:hover { background: var(--danger-bg); }
.btn-sm { padding: 6px 10px; font-size: 0.82rem; border-radius: 8px; }
.btn-ghost { background: transparent; border-color: var(--border); }
.icon-btn {
    padding: 8px 10px;
    font-size: 1.05rem;
    line-height: 1;
    background: var(--surface);
}
.form-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 4px; }

/* ---------- Statistiken ---------- */
.list-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}
.stats { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.stat {
    font-size: 0.78rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 999px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--muted);
}
.stat.due { background: var(--ok-bg); border-color: var(--brand); color: var(--text); }
.stat.expired { background: var(--danger-bg); border-color: color-mix(in srgb, var(--danger) 40%, transparent); color: var(--danger); }

/* ---------- Gutscheinliste ---------- */
#couponList { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.coupon {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    background: var(--surface-2);
    display: grid;
    gap: 6px;
}
.coupon.due { border-color: var(--brand); background: color-mix(in srgb, var(--ok-bg) 60%, var(--surface-2)); }
.coupon.expired { opacity: 0.75; }
.c-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.c-name { font-weight: 800; font-size: 1rem; overflow-wrap: anywhere; }
.badge {
    font-size: 0.72rem;
    font-weight: 800;
    padding: 2px 9px;
    border-radius: 999px;
    white-space: nowrap;
}
.badge.due { background: var(--brand); color: var(--brand-ink); }
.badge.soon { background: var(--warn-bg); color: var(--warn); }
.badge.expired { background: var(--danger-bg); color: var(--danger); }
.c-desc { margin: 0; color: var(--muted); font-size: 0.9rem; overflow-wrap: anywhere; }
.c-meta {
    display: flex;
    gap: 4px 16px;
    flex-wrap: wrap;
    font-size: 0.82rem;
    color: var(--muted);
}
.c-meta span { white-space: nowrap; }
.c-meta .c-loc { white-space: normal; overflow-wrap: anywhere; }
.c-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 4px; }
#emptyState { color: var(--muted); text-align: center; padding: 18px 0; }

/* ---------- Einstellungen ---------- */
.setting {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 12px 0;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}
.setting:first-of-type { border-top: 0; padding-top: 0; }
.setting .s-text { flex: 1 1 240px; }
.setting .s-text strong { display: block; }
.setting .s-text small { color: var(--muted); }
.setting select { width: auto; min-width: 140px; }
.setting .s-status { font-size: 0.82rem; font-weight: 700; color: var(--brand-strong); }

/* Schalter (Checkbox als Toggle) */
.switch { position: relative; display: inline-block; width: 48px; height: 28px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider {
    position: absolute;
    inset: 0;
    background: var(--border);
    border-radius: 999px;
    transition: background 0.2s ease;
    cursor: pointer;
}
.switch .slider::before {
    content: "";
    position: absolute;
    width: 22px;
    height: 22px;
    left: 3px;
    top: 3px;
    background: var(--surface);
    border-radius: 50%;
    transition: transform 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}
.switch input:checked + .slider { background: var(--brand); }
.switch input:checked + .slider::before { transform: translateX(20px); }
.switch input:focus-visible + .slider {
    outline: 3px solid color-mix(in srgb, var(--brand) 55%, transparent);
}

.data-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.app-footer {
    text-align: center;
    color: var(--muted);
    font-size: 0.85rem;
    padding: 36px 0 28px;
}
.app-footer a { color: var(--brand-strong); font-weight: 600; text-decoration: none; }
.app-footer a:hover { text-decoration: underline; }
.app-footer hr { border: 0; border-top: 1px solid var(--border); margin: 14px auto; }

/* ---------- Toasts ---------- */
#toasts {
    position: fixed;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%);
    display: grid;
    gap: 8px;
    z-index: 100;
    width: min(100% - 32px, 420px);
}
.toast {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-left: 5px solid var(--brand);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    padding: 11px 14px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    animation: toast-in 0.25s ease;
    overflow-wrap: anywhere;
}
.toast.warn { border-left-color: var(--warn); }
.toast.danger { border-left-color: var(--danger); }
@keyframes toast-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}
